third_party/WebKit/LayoutTests/fast/canvas/canvas-hit-regions-clip-test.html - Issue 1630683002: Canvas2d: addHitRegion() should take clipping region into account.

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Issue 1630683002: Canvas2d: addHitRegion() should take clipping region into account. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Created 4 years, 10 months ago

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	1 <!DOCTYPE html>

	2 <html>

	3 <head>

	4 <title>Canvas Hit Regions: clip test</title>

	5 <script src="../../resources/js-test.js"></script>

	6 </head>

	7 <body>

	8 <canvas id="canvas" width="400" height="400"></canvas>

	9 <script>

	10

	11 var canvas = document.getElementById("canvas");

	12 var context = canvas.getContext("2d");

	13

	14 function clickCanvas(x, y)

	15 {

	16 if (!window.eventSender)

	17 return "This test requires eventSender";
	Stephen White 2016/01/25 15:37:35 Other tests seem to call debug() in this case. Is Other tests seem to call debug() in this case. Is returning a string here really what you want to do? zino 2016/01/27 17:10:30 Sorry, I just copied and pasted old codes. Show quoted text On 2016/01/25 15:37:35, Stephen White wrote: > Other tests seem to call debug() in this case. Is returning a string here really > what you want to do? Sorry, I just copied and pasted old codes.
	18

	19 var result = null;

	20 function listener(event)

	21 {

	22 result = event.region;

	23 }

	24

	25 var rect = canvas.getBoundingClientRect();

	26 canvas.addEventListener("click", listener, false);

	27 eventSender.mouseMoveTo(rect.left + x, rect.top + y);

	28 eventSender.mouseDown();

	29 eventSender.mouseUp();

	30 canvas.removeEventListener("click", listener, false);

	31

	32 return result;

	33 }

	34

	35 debug("Simple rect clip tests.");

	36 context.save();

	37 context.beginPath();

	38 context.rect(0, 0, 100, 100);

	39 context.clip();

	40 context.beginPath();

	41 context.rect(50, 50, 100, 100);

	42 context.addHitRegion({ id : "clip" });

	43 context.restore();

	44 shouldBe("clickCanvas(10, 10)", "null");

	45 shouldBe("clickCanvas(60, 60)", "'clip'");

	46 debug("");

	47

	48 debug("Non rect clip tests.");

	49 context.save();

	50 context.beginPath();

	51 context.arc(50, 50, 50, 0, Math.PI * 2);

	52 context.clip();

	53 context.beginPath();

	54 context.rect(0, 0, 100, 100);

	55 context.addHitRegion({ id : "clip" });

	56 context.restore();

	57 shouldBe("clickCanvas(0, 0)", "null");

	58 shouldBe("clickCanvas(100, 0)", "null");

	59 shouldBe("clickCanvas(100, 100)", "null");

	60 shouldBe("clickCanvas(0, 100)", "null");

	61 shouldBe("clickCanvas(50, 50)", "'clip'");

	62 debug("");

	63

	64 debug("Multiple clip tests.");

	65 context.save();

	66 context.beginPath();

	67 context.rect(0, 0, 100, 100);

	68 context.clip();

	69 context.beginPath();

	70 context.arc(100, 50, 50, 0, Math.PI * 2);

	71 context.clip();

	72 context.beginPath();

	73 context.rect(0, 0, 150, 50);

	74 context.addHitRegion({ id : "clip" });

	75 context.restore();

	76 shouldBe("clickCanvas(0, 0)", "null");

	77 shouldBe("clickCanvas(100, 0)", "'clip'");

	78 shouldBe("clickCanvas(100, 100)", "null");

	79 shouldBe("clickCanvas(0, 100)", "null");

	80 shouldBe("clickCanvas(50, 0)", "null");

	81 shouldBe("clickCanvas(150, 0)", "null");

	82 shouldBe("clickCanvas(150, 100)", "null");

	83 shouldBe("clickCanvas(50, 100)", "null");

	84 shouldBe("clickCanvas(50, 50)", "'clip'");

	85 shouldBe("clickCanvas(100, 50)", "'clip'");

	86 debug("");

	87

	88 debug("No pixels tests.");

	89 context.save();

	90 context.beginPath();

	91 context.rect(0, 0, 100, 100);

	92 context.clip();

	93 context.beginPath();

	94 context.rect(100, 100, 100, 100);

	95 shouldThrow("context.addHitRegion({ id : 'clip' })");

	96 context.restore();

	97 context.save();

	98 context.beginPath();

	99 context.rect(0, 0, 50, 50);

	100 context.rect(100, 0, 50, 50);

	101 context.clip();

	102 context.beginPath();

	103 context.arc(75, 75, 30, 0, Math.PI * 2);

	104 shouldThrow("context.addHitRegion({ id : 'clip' })");

	105 context.restore();

	106 debug("");

	107

	108 </script>

	109 </body>

	110 </html>

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